--Are there any trees __________ the house?-- No, there aren’t.
The houses in big cities are very _______. I can't afford(负担)them.
——Would you like a small hamburger?——______________.
——Was there _______ in today’s newspaper?——No.
——What _______ of noodles would you like?——Beef and _________ noodles.
——Where ______ he go on vacation?——He went to the mountains.